base/process/process_handle_openbsd.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/process/process_handle.h"
   6
   7 #include <sys/sysctl.h>
   8 #include <sys/types.h>
   9 #include <unistd.h>
  10
  11 namespace base {
  12
  13 ProcessId GetParentProcessId(ProcessHandle process) {
  14   struct kinfo_proc info;
  15   size_t length;
  16   int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process,
  17                 sizeof(struct kinfo_proc), 0 };
  18
  19   if (sysctl(mib, arraysize(mib), NULL, &length, NULL, 0) < 0)
  20     return -1;
  21
  22   mib[5] = (length / sizeof(struct kinfo_proc));
  23
  24   if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)
  25     return -1;
  26
  27   return info.p_ppid;
  28 }
  29
  30 FilePath GetProcessExecutablePath(ProcessHandle process) {
  31   struct kinfo_proc kp;
  32   size_t len;
  33   int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process,
  34                 sizeof(struct kinfo_proc), 0 };
  35
  36   if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) == -1)
  37     return FilePath();
  38   mib[5] = (len / sizeof(struct kinfo_proc));
  39   if (sysctl(mib, arraysize(mib), &kp, &len, NULL, 0) < 0)
  40     return FilePath();
  41   if ((kp.p_flag & P_SYSTEM) != 0)
  42     return FilePath();
  43   if (strcmp(kp.p_comm, "chrome") == 0)
  44     return FilePath(kp.p_comm);
  45
  46   return FilePath();
  47 }
  48
  49 }  // namespace base